<!DOCTYPE html>
<html>
<head lang="en">
    <meta charset="UTF-8"/>
    <title>测试</title>
</head>
<body>
FreeMarker模板引擎
<h1 id="str">${str}</h1>
<h1 id="keyHex">${keyHex}</h1>
<h1 id="fileName">${fileName}</h1>
<h1 id="query">${query}</h1>
</body>
</html>